Home / 352,617.26-528,962.78-115,978.38

Finding the Fourth Proportional to 352,617.26, 528,962.78 and 115,978.38

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Solution

The fourth proportional to 352,617.26, 528,962.78 and 115,978.38 is: 173,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,617.26 : 528,962.78 = 115,978.38 : x
  2. Step 2: Convert to fraction form
    352,617.26/528,962.78 = 115,978.38/x
  3. Step 3: Cross multiply
    352,617.26x = 528,962.78 × 115,978.38
  4. Step 4: Simplify right side
    352,617.26x = 61,348,245,724.80
  5. Step 5: Solve for x
    x = 61,348,245,724.80/352,617.26
  6. Step 6: Final answer
    x = 173,979.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.